766091712 has 28 divisors (see below), whose sum is σ = 2026951496. Its totient is φ = 255363840.

The previous prime is 766091707. The next prime is 766091717. The reversal of 766091712 is 217190667.

It is an interprime number because it is at equal distance from previous prime (766091707) and next prime (766091717).

It is a super-2 number, since 2×766091712² = 1173793022390181888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766091717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1994839 + ... + 1995222.

Almost surely, 2^766091712 is an apocalyptic number.

It is an amenable number.

766091712 is an abundant number, since it is smaller than the sum of its proper divisors (1260859784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766091712 is a wasteful number, since it uses less digits than its factorization.

766091712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990076 (or 3990066 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 766091712 is about 27678.3618012338. The cubic root of 766091712 is about 915.0122772995.

The spelling of 766091712 in words is "seven hundred sixty-six million, ninety-one thousand, seven hundred twelve".